/*
 * Copyright (c) 2010, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the Jombi project nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL JOMBI BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.miblounge.jombi.impl.widgets;

import net.miblounge.jombi.impl.image.QtImageRegistry;
import net.miblounge.jombi.impl.util.SizeUtil;
import net.miblounge.jombi.impl.widgets.util.QtIcon;

import org.jowidgets.common.image.IImageConstant;
import org.jowidgets.spi.widgets.IIconSpi;
import org.jowidgets.spi.widgets.setup.IIconSetupSpi;

import com.trolltech.qt.core.QSize;
import com.trolltech.qt.gui.QIcon;
import com.trolltech.qt.gui.QLabel;
import com.trolltech.qt.gui.QPixmap;

public class IconImpl extends QtControl implements IIconSpi {
	private IImageConstant icon;
	private final QtImageRegistry imageRegistry;

	// TODO: evtl Fehlerquelle weil kein Parent angegeben wird
	public IconImpl(final QtImageRegistry imageRegistry, final IIconSetupSpi setup) {
		super(new QtIcon());
		this.icon = null;
		this.imageRegistry = imageRegistry;
		setIcon(setup.getIcon());
	}

	@Override
	public void setIcon(final IImageConstant icon) {
		if (icon == this.icon) {
			return;
		}
		this.icon = icon;
		final QIcon qicon = imageRegistry.getImage(icon);

		if (qicon != null) {
			final QSize size = SizeUtil.getBestSize(qicon.availableSizes(), getUiReference().height());
			final QPixmap pixmap = qicon.pixmap(size);
			getUiReference().setPixmap(pixmap);
		} else {
			getUiReference().clear();
		}
	}

	@Override
	public QLabel getUiReference() {
		return (QLabel) super.getUiReference();
	}

	@Override
	public void setToolTipText(final String text) {
		getUiReference().setToolTip(text);
	}

}
